Home / 15,981.54-22,054.64-8,908.43

Finding the Fourth Proportional to 15,981.54, 22,054.64 and 8,908.43

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Solution

The fourth proportional to 15,981.54, 22,054.64 and 8,908.43 is: 12,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.54 : 22,054.64 = 8,908.43 : x
  2. Step 2: Convert to fraction form
    15,981.54/22,054.64 = 8,908.43/x
  3. Step 3: Cross multiply
    15,981.54x = 22,054.64 × 8,908.43
  4. Step 4: Simplify right side
    15,981.54x = 196,472,061.80
  5. Step 5: Solve for x
    x = 196,472,061.80/15,981.54
  6. Step 6: Final answer
    x = 12,293.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.